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I applied via Campus Placement and was interviewed in Mar 2020. There were 4 interview rounds.
Thermodynamics is the study of heat and its relationship with other forms of energy.
It deals with the transfer of heat and energy
It involves the study of thermodynamic systems and their properties
It is used to understand and design engines, refrigeration systems, and power plants
It has laws such as the first and second law of thermodynamics
It has applications in various fields such as physics, chemistry, and engineerin
Mechanical engineering is the branch of engineering that deals with the design, manufacturing, and maintenance of mechanical systems.
Involves the application of principles of physics and materials science
Covers a wide range of fields such as thermodynamics, mechanics, and robotics
Examples include designing engines, machines, and manufacturing processes
Requires knowledge of computer-aided design (CAD) and computer-aided...
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posted on 6 Apr 2022
I applied via Naukri.com and was interviewed in Oct 2021. There were 3 interview rounds.
Coding +apti
2 coding questions
posted on 29 Jan 2022
I applied via Naukri.com and was interviewed in Dec 2021. There were 2 interview rounds.
Aptitude test along with core(materials)
posted on 17 Sep 2021
I applied via Naukri.com and was interviewed in Aug 2021. There were 5 interview rounds.
posted on 21 Mar 2015
posted on 7 May 2021
I applied via Campus Placement and was interviewed before May 2020. There were 4 interview rounds.
posted on 20 Jan 2022
posted on 6 Aug 2022
I was interviewed in Jul 2022.
60 percent core and 40 percent aptitude
Tests done on a transformer include insulation resistance test, turns ratio test, winding resistance test, and load test.
Insulation resistance test checks the insulation resistance between windings and between windings and ground.
Turns ratio test measures the ratio of the number of turns in the primary winding to the number of turns in the secondary winding.
Winding resistance test measures the resistance of each windin...
CT and PT are used in electrical systems for measurement and protection purposes.
CT (Current Transformer) is used to measure high currents and step them down to a manageable level for measurement and protection devices.
PT (Potential Transformer) is used to measure high voltages and step them down to a safe level for measurement and protection devices.
CTs and PTs provide isolation and safety by separating the high volta...
The generation voltage in India varies depending on the location and power plant.
The voltage ranges from 110V to 440V depending on the location.
The power plants generate electricity at different voltages.
The national grid operates at a voltage of 400kV and 765kV.
India has a mix of AC and DC power transmission systems.
High voltage is used for transmission to reduce power loss and increase efficiency.
High voltage reduces the current required for a given amount of power, which reduces power loss due to resistance in the transmission lines.
Lower current also means smaller conductors can be used, reducing material and installation costs.
High voltage transmission is more efficient over long distances, reducing the need for additional pow...
Renewable energy power plants are generally cheaper to install than traditional fossil fuel power plants.
Renewable energy power plants such as solar, wind, and hydroelectric are cheaper to install than traditional fossil fuel power plants.
The cost of installation for renewable energy power plants has decreased significantly in recent years due to advancements in technology and increased demand.
Fossil fuel power plants ...
OC test is done on LV side to avoid high voltage on secondary side. SC test is done on HV side to avoid high current on primary side.
LV side has lower voltage rating, hence safer for OC test
HV side has higher current rating, hence suitable for SC test
OC test checks insulation resistance and winding resistance
SC test checks impedance and voltage regulation
Example: A 100 MVA transformer with 220 kV HV and 33 kV LV rating
posted on 17 Sep 2021
I applied via Naukri.com and was interviewed in Aug 2021. There were 5 interview rounds.
posted on 21 Mar 2015
based on 2 reviews
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